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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Summary of Numerator and Denominators Used in Computation of Earnings per Share | A summary of the numerator and denominators used in the computation of earnings per share follows:
| Three Months Ended September 30, |  |  |  | Nine Months Ended September 30, |  |
| 2019 |  | 2018 |  | 2019 |  | 2018
Numerator: |  |  |  |  |  |  |
Net income | $ | 12,386 |  |  | $ | 22,302 |  |  | $ | 22,587 |  |  | $ | 20,096 |
Denominators: |  |  |  |  |  |  |
Number of shares outstanding, end of period: |  |  |  |  |  |  |
Class A common stock | 46,792 |  |  | 41,932 |  |  | 46,792 |  |  | 41,932 |
Class B common stock | 988 |  |  | 988 |  |  | 988 |  |  | 988 |
Shares to be issued - acquisition | 36 |  |  | — |  |  | 36 |  |  | — |
Unvested restricted stock | (9) |  |  | (32) |  |  | (9) |  |  | (32) |
Effect of weighted average shares outstanding | (117) |  |  | (109) |  |  | (778) |  |  | (283) |
Basic weighted average common shares outstanding | 47,690 |  |  | 42,779 |  |  | 47,029 |  |  | 42,605 |
Impact of potentially dilutive securities: |  |  |  |  |  |  |
Dilutive effect of stock options and other stock awards | 671 |  |  | 1,396 |  |  | 631 |  |  | 1,333 |
Diluted weighted average common shares outstanding | 48,361 |  |  | 44,175 |  |  | 47,660 |  |  | 43,938 |
Anti-dilutive potentially issuable shares | 2 |  |  | — |  |  | 2 |  |  | 2 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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